How do I identify what kind of hardwood flooring this is by the grain?

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  • 1
    that is not walnut and almost surely oak. Walnut grains are way way more subtle and wavy.
    – DMoore
    Nov 8 '21 at 17:00
  • 1
    99% certain that's oak. Are you doing a patch job or a repair? If so then you'll need to figure out whether it's red or white oak.
    – MonkeyZeus
    Nov 8 '21 at 18:08
  • Something to think about: Identifying wood from a picture is difficult enough that it's considered off-topic at Woodworking.
    – FreeMan
    Nov 8 '21 at 18:18
  • For what it’s worth, the diagonal ray fleck is classic quartersawn oak. (Ray fleck occurs in other species, though usually to a lesser degree.) Nov 9 '21 at 23:29

Oak - more lines (harsh), texture, example

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Walnut - several species are used but the have more of a wavy, "rock hit water" texture.

Black walnut

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Traditional American

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  • For solid hardwood, oak is by far the most common in the US. Engineered hardwood has more variety since only a sliver of wood is needed - many more varieties become affordable.
    – JPhi1618
    Nov 8 '21 at 17:20

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